Commonly used terms

A list of term and acronyms you may run in to

Mike Duclos avatar
Written by Mike Duclos
Updated over a week ago
  • Manufacture/Conversion Date
         The date on which the coach portion of your motorhome was built.

  • Gross Vehicle Weight Rating (GVWR)
         The maximum permissible weight of this fully loaded motorhome.

  • Sleeping Capacity Weight Rating (SCWR)
         The manufacturer’s designated number of sleeping positions multiplied by 154       lbs (70 Kgs).

  • Occupant and Cargo Carrying Capacity  (OCCC)
         The value equal to the GVWR minus UVW and full LP Gas weight. In other               words, OCCC is the amount of weight in occupants, cargo, water and trailer            tongue weight that can be added to the motorhome without exceeding the            GVWR.

  • Gross Combined Weight Rating (GCWR)    
         The Gross Combined Weights Rating of the motorhome, i.e, combined weight        of the Motorhome and any towed vehicle.

  • Designated Sleeping Capacity
         The manufacturer’s designated number of sleeping positions.

  • Gross Axle Weight Rating (GAWR)
         The value specified as the load carrying capacity of a single axle system, as            measured at the tire-ground interface.

  • Tire Specification
         Recommended tires specification to meet handling, loading and safety                    requirements. Replacement tires must meet these specifications.

  • Cold Tire Inflation Pressure
         Inflation pressures recommended (while cold) for the tires originally installed          on your motorhome. These tire pressure levels must be maintained to ensure        proper handling, safety and fuel economy.

  • Cargo Carrying Capacity(CCC)(Canada)
         Equal to GVWR minus each of the following: UVW, full fresh (potable) water             weight (including water heater), full LP-Gas weight and SCWR.

  • Unloaded Vehicle Weight (UVW)
         The weight of this motorhome as manufactured at the factory with full fuel,             engine oil and coolants.

  • Mass of Waste Water Tanks
         Total weight of the black and grey water tanks when filled to capacity.

  • Vehicle Identification Number (VIN)
         This number identifies the chassis on which the motorhome is built.

  • Type
         The National Highway Traffic Safety Association (NHTSA) designated usage           classification for your Motorhome. MPV signifies a Multi-purpose vehicle.

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